Elevational Gradient
Variation in leaf functional traits of the Korean maple (Acer pseudosieboldianum) along an elevational gradient in a montane forest in Southern Korea
... components vary across environmental heterogeneity or gradients. This study investigated how plant functional (leaf) traits vary according to an elevation-associated environmental gradient. Environmental gradients ...
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Fire History and Forest Structure along an Elevational Gradient in the Southern Cascade Range, Oregon, USA
... We examined stand structure, demog- raphy, and fire history using tree cores and fire scar data across an approxi- mately 7000-hectare study area over an elevational gradient in the southern Cascade Range, ...
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Occupancy and Abundance of Eleutherodactylus Frogs in Coffee Agroecosystems and Along an Elevational Gradient in the Mountains of Southwestern Puerto Rico
... an elevational gradient in central and southwestern Puerto ...The gradient was situated on the leeward side of the island to sample sharp, ...
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Top-Down and Bottom-Up Controls on Fire Regimes Along an Elevational Gradient on the East Slope of the Sierra Nevada, California, USA
... In this study, we examined spatial and tem- poral variability in fire occurrence on the east side of the Sierra Nevada. Our goal was to identify the relative influence of bottom-up vs. top-down controls on fire regimes ...
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Linking species thermal tolerance to elevational range shifts in upland dung beetles
... 33 Table A3. Abundance and likelihood ratio (LR) of Agoliinus lapponum along the elevational gradient in (a) 1956, (b) 2008 and (c) 2013 surveys. LR for elevations outside the recorded species range is ...
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Elevational Pattern of Orchid Rarity and Endemism in Mt. Kalatungan, Mindanao Island, Philippines
... the elevational gradient as affected by microclimate variables has also been ascertained in studies conducted in Mexico [29] as well as in Himalayan regions of Nepal and Bhu- tan ...
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Bats of the YUS Conservation Area, Papua New Guinea: Result 5 Task 3.2.
... The island of Papua New Guinea contains a rich mammal fauna that itself comprises approximately 8% of the world’s bat fauna (Bonaccorso 1998). With its diverse biological and geographical systems, Papua New Guinea ...
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Kinematics of hovering hummingbird flight along simulated and natural elevational gradients
... We also studied hovering and maximally loaded flight performance for 43 hummingbird species distributed along a natural elevational gradient in Peru. During free hovering flight, hummingbirds showed ...
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Freshwater fish community structure in Taranaki : dams, diadromy or habitat quality? : a thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Ecology at Massey University
... In this study, we examine changes in fish assemblage structure along an elevational gradient in 38 Taranaki ring plain streams a number of which have barriers to migration to identify wh[r] ...
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Elevational Floral Size Variation in Prunella vulgaris
... between elevational variation of pollinator size and floral size is ...high elevational range (above 1800 m ...middle elevational range (1400 - 1800 m ...an elevational decrease in CW and CAL ...
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Stress gradient, strain gradient and inertia gradient beam theories for the simulation of flexural wave dispersion in carbon nanotubes
... three-length-scale gradient formulation has been recently developed by the ...employ gradient-enriched Euler-Bernoulli and Timoshenko beam theories incorporating either stress gradients, or a combination of ...
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Characteristics Analysis of Land Use Spatial Distribution on Terrain Gradient in Henan Province
... terrain gradient, using ...terrain gradient (Figure 2), and the land use gradient distribution index( Figure 3) in 1980, 2000 and ...terrain gradient are basically the same in the three years. ...
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The weighted gradient: A color image gradient applied to morphological segmentation
... If a band presents all possible values in same quan- tities (i.e., its histogram has an uniform distribution), its gradient should receive the maximum weight. To do this, we consider that there is an ”ideal image” ...
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3D Cell Nuclei Segmentation Based on Gradient Flow Tracking
... the gradient vector field corresponding to the 3D volume image, and then diffusing the gradient vector field with an elastic deformable ...noisy gradient vector field is smoothed and the ...
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Mathematical Model and Parameter Estimation for Tumor Growth
... Tables 5.5 and 5.6 show the summaries of two sets of simulations with varying number of discretiza- tion points in the mesh (and time steps). Conjugated Gradient Trust Region Method works well for our problem. As ...
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Study and Analysis of Edge Detection Techniques in Digital Images Shiva Sharma *1 , Vandana Mahajan 2
... in gradient may be approximated in digital ...spatial gradient measurement on an image and also it emphasizes regions of high spatial frequency that correspond to ...absolute gradient magnitude at ...
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Transition from connected to fragmented vegetation across an environmental gradient: scaling laws in ecotone geometry
... timated to require a 0.2-ha minimal patch area to establish a local population in a highly fragmented landscape in Belgium (Mennechez et al. 2003). Edge effects are twofold: some species react negatively and others ...
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Computed Tomography Medical Image Compression using Conjugate Gradient
... using gradient descent and conjugate ...conjugate gradient than gradient descent, that is, image is reconstructed with little distortion using CG than ...
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Intrinsic Gradient Networks
... intrinsic gradient networks that do not combine different input sources in a simple, multiplicative manner, it is encouraging that these prominent electrophysiological phenomena are so naturally captured by ...
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